Mathematical Reasoning — Permutations & Combinations

Name: Mathematical Reasoning — Permutations & Combinations
Uploaded: 2025-12-01
Duration: 12 min
Channel: Tony Xavier
Description: P&C made approachable — Tony Xavier on the structural way to count.

Presented by Tony Xavier·12 min·QA

About this session

Permutations and Combinations is notorious for paralyzing aspirants. Tony Xavier teaches the structural approach — most P&C problems reduce to one of four canonical patterns, and recognizing the pattern is 80% of the work.

Watch on YouTube

Full video on YouTube: Mathematical Reasoning — Permutations & Combinations.